Ultracentrifuges operate under refrigeration in a vacuum chamber and forces 50 million times that of gravity may be reached.
超速离心的操作是在真空冷冻室进行，其内加有高达五千万倍于地球重力的压力。Black holes millions or billions times as massive as the sun reside at the heart of most galaxies, including our own.
黑洞的质量是太阳质量的数百万倍或者是数十亿倍，它们多数位于星系的中心，也包括了我们所处的星系也在其内。It spreads by composing emails using a complex set of rules and sending them out with its built-in SMTP engine.
随后通过其内建的SMTP引擎，按照一套复杂的规则编写并向这些地址发送电子邮件，以此实现自我传播。To end the processing of (a magnetic tape or disk) in such a way as to deny access to its contents.
锁定通过拒绝进入其内从来结束（磁带或光碟）的运行There were intact parathyroid cells in the allografts which had abundant rough endoplasmic reticula , mitochondria and secretory granules.
移植物内可见完整的甲状旁腺细胞，其内见丰富的粗面内质网、杆状的线粒体及分泌颗粒。Yet will I make them keepers of the charge of the house, for all the service thereof, and for all that shall be done therein.
然而我要使他们看守殿宇，办理其中的一切事，并做其内一切当做之工。The visual cortex, which processes images, contains cells grouped according to which part of a scene they analyze.
原来，视觉皮质负责处理图片信息，其内含有分析不同视角的细胞群。Clearing up of piled up bricks, uncovered few fragmented coal and iron utensils. At the bottom of the pile a white porcelain cup was found.
方形砖块堆叠现象清理，其内出现零星煤炭以及不少铁器，底部出现一件白瓷杯。The internal ballistics of nozzleless SRM differs greatly from the general motors due to the speciality of its structure.
由于无喷管发动机结构的特殊性，导致其内弹道与传统的发动机产生了较大的差异。